11912912 has 40 divisors (see below), whose sum is σ = 25444800. Its totient is φ = 5358080.

The previous prime is 11912911. The next prime is 11912921. The reversal of 11912912 is 21921911.

11912912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11912911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19589 + ... + 20187.

It is an arithmetic number, because the mean of its divisors is an integer number (636120).

Almost surely, 2^11912912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11912912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12722400).

11912912 is an abundant number, since it is smaller than the sum of its proper divisors (13531888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11912912 is a wasteful number, since it uses less digits than its factorization.

11912912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 725 counting only the distinct ones).

The product of its digits is 324, while the sum is 26.

The square root of 11912912 is about 3451.5086556461. The cubic root of 11912912 is about 228.3876650978.

It can be divided in two parts, 119 and 12912, that added together give a palindrome (13031).

The spelling of 11912912 in words is "eleven million, nine hundred twelve thousand, nine hundred twelve".